:root {
  --bg: #0b0b0d;
  --card: #0f1720;
  --muted: #9aa3b2;
  --accent: #00eaff;
  --accent-2: #a855f7;
  --glass: rgba(255,255,255,0.03);
  --radius: 16px;
  --fw-sans: 'Poppins', system-ui, Segoe UI, Roboto, Helvetica, Arial;
  --gradient: linear-gradient(135deg, var(--accent), var(--accent-2));
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--fw-sans);
  background: 
    radial-gradient(1200px 600px at 10% 10%, rgba(168,85,247,0.08), transparent),
    radial-gradient(900px 400px at 90% 90%, rgba(0,234,255,0.05), transparent),
    var(--bg);
  color: #e6eef8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  padding-bottom: 60px;
  overflow-x: hidden;
}

/* Enhanced container */
.wrap {
  max-width: 1100px;
  margin: 36px auto;
  padding: 28px;
  animation: fadeIn 0.8s ease-out;
}

/* Header / nav improvements */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #081018;
  box-shadow: 0 8px 32px rgba(0,234,255,0.2);
  font-size: 18px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.logo::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.logo:hover::before {
  left: 100%;
}

.logo:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 12px 40px rgba(0,234,255,0.3);
}

.brand h1 {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav {
  display: flex;
  gap: 8px;
  align-items: center;
}

nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

nav a::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: var(--gradient);
  opacity: 0.1;
  transition: left 0.3s ease;
}

nav a:hover::before {
  left: 0;
}

nav a:hover {
  color: var(--accent);
  transform: translateY(-2px);
}

/* Enhanced hero section */
.hero {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 32px;
  margin-top: 48px;
  align-items: center;
}

.hero-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
  padding: 32px;
  border-radius: 20px;
  box-shadow: 
    0 10px 40px rgba(2,6,23,0.7),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.03);
  animation: slideUp 0.8s ease-out 0.2s both;
}

.title {
  font-size: 22px;
  letter-spacing: 0.3px;
  margin: 0;
  color: var(--accent);
  text-shadow: 0 6px 24px rgba(0,234,255,0.1);
  font-weight: 600;
}

.subtitle {
  font-size: 42px;
  margin: 12px 0 16px;
  font-weight: 700;
  line-height: 1.2;
  background: linear-gradient(135deg, #e6eef8, var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tagline {
  color: var(--muted);
  margin: 0 0 24px;
  font-size: 18px;
  line-height: 1.5;
}

.cta-row {
  display: flex;
  gap: 14px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.06);
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn.primary {
  background: var(--gradient);
  color: #051018;
  box-shadow: 0 10px 40px rgba(0,234,255,0.15);
}

.btn.ghost {
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.02);
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(0,234,255,0.2);
}

/* Enhanced quick stats */
.quick {
  padding: 24px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border: 1px solid rgba(255,255,255,0.03);
  box-shadow: 0 8px 32px rgba(2,6,23,0.6);
  animation: slideUp 0.8s ease-out 0.4s both;
}

.stat {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 0;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.stat:last-child {
  border-bottom: none;
}

.stat .k {
  font-weight: 700;
  color: var(--accent);
  font-size: 18px;
}

.chips {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 16px;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.02);
  font-weight: 600;
  font-size: 14px;
  border: 1px solid rgba(255,255,255,0.03);
  transition: all 0.3s ease;
}

.chip:hover {
  background: rgba(255,255,255,0.05);
  transform: translateY(-2px);
}

/* Enhanced sections */
section {
  margin-top: 48px;
  animation: fadeIn 0.8s ease-out 0.6s both;
}

.card {
  background: var(--card);
  padding: 24px;
  border-radius: 16px;
  box-shadow: 
    0 8px 30px rgba(2,6,23,0.6),
    inset 0 1px 0 rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.03);
  transition: all 0.3s ease;
}
section {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.6s ease-out;
}
section.show {
  opacity: 1;
  transform: translateY(0);
}


.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(2,6,23,0.8);
}

h2 {
  margin: 0 0 16px;
  color: var(--accent);
  font-size: 24px;
  font-weight: 600;
}

p.lead {
  color: var(--muted);
  margin: 0 0 12px;
  font-size: 16px;
  line-height: 1.6;
}

/* Enhanced skills */
.skills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.skill {
  background: var(--glass);
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.03);
  transition: all 0.3s ease;
  cursor: pointer;
}

.skill:hover {
  background: rgba(255,255,255,0.05);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0,234,255,0.1);
}

/* Enhanced projects grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.project {
  padding: 20px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(255,255,255,0.015), transparent);
  border: 1px solid rgba(255,255,255,0.03);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.project::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--gradient);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.project:hover::before {
  transform: scaleX(1);
}

.project:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(2,6,23,0.8);
  background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
}

.project h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.project p {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 12px;
  line-height: 1.5;
}

.proj-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 6px;
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  border: 1px solid rgba(255,255,255,0.03);
}

/* Enhanced contact */
.contact-row {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.socials {
  display: flex;
  gap: 12px;
  flex-direction: column;
}

.socials a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(255,255,255,0.02);
  text-decoration: none;
  color: var(--muted);
  font-weight: 600;
  transition: all 0.3s ease;
  border: 1px solid rgba(255,255,255,0.03);
}

.socials a:hover {
  background: rgba(255,255,255,0.05);
  color: var(--accent);
  transform: translateX(5px);
  box-shadow: 0 6px 20px rgba(0,234,255,0.1);
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(0,234,255,0.3);
  }
  50% {
    box-shadow: 0 0 30px rgba(0,234,255,0.6);
  }
}

/* Enhanced footer */
footer {
  margin-top: 48px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
  padding: 20px;
  border-top: 1px solid rgba(255,255,255,0.03);
}

/* Responsive improvements */
@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .subtitle {
    font-size: 36px;
  }
}

@media (max-width: 620px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
  nav {
    display: none;
  }
  header {
    gap: 10px;
  }
  .wrap {
    padding: 18px;
  }
  .title {
    font-size: 14px;
  }
  .subtitle {
    font-size: 28px;
  }
  .hero-card {
    padding: 24px;
  }
  .cta-row {
    flex-direction: column;
  }
  .btn {
    justify-content: center;
  }
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--accent);
}